2581404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 6988800

約数和(自身を除く): 4407396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 389, 474, 553, 778, 948, 1106, 1167, 1556, 1659, 2212, 2334, 2723, 3318, 4668, 5446, 6636, 8169, 10892, 16338, 30731, 32676, 61462, 92193, 122924, 184386, 215117, 368772, 430234, 645351, 860468, 1290702, 2581404]

約数ペア:

[(1, 2581404), (2, 1290702), (3, 860468), (4, 645351), (6, 430234), (7, 368772), (12, 215117), (14, 184386), (21, 122924), (28, 92193), (42, 61462), (79, 32676), (84, 30731), (158, 16338), (237, 10892), (316, 8169), (389, 6636), (474, 5446), (553, 4668), (778, 3318), (948, 2723), (1106, 2334), (1167, 2212), (1556, 1659)]